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What Is Stick Welding Called? A Complete Guide to SMAW (Shielded Metal Arc Welding)

NH
Nicholas Harper · Jun 17, 2026 · 39 min read
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On a job site miles from any power grid or in a backyard repair, one welding process has stood the test of time for its rugged simplicity. Known to many as ‘stick welding’, its true technical name holds the key to understanding why it remains one of the world’s most relied upon welding methods.

Introduction: The Many Names of a Timeless Welding Process

Ask three welders to name the process behind a crackling arc and a smoking electrode, and you may get three different answers. One calls it stick welding. Another says SMAW. A third, perhaps trained in Europe or working from an international drawing, calls it MMA. They are all describing the same rugged, remarkably adaptable method.

The official name is Shielded Metal Arc Welding (SMAW). In the United States, that is the term you will find in American Welding Society publications, code documents, and technical training materials. Elsewhere, the same process is commonly known as Manual Metal Arc Welding (MMAW), or simply MMA. The different labels can make a simple question feel complicated, especially for someone entering the trade or hiring a welder for a repair.

One Process, Several Labels

Each name describes a real feature of the process. “Stick” refers to the covered metal electrode, a short rod that is clamped in the holder and consumed as the weld is made. “Shielded” points to the electrode coating, which burns in the arc to create a protective atmosphere around the molten weld pool. “Manual” highlights that the welder feeds the electrode by hand, controlling arc length and travel speed through direct observation and experience.

Name Where you will see it What it emphasizes
Stick welding Job sites and shops, especially in North America The hand-held electrode
SMAW AWS codes, US training programs, procedure documents The shielding action of the electrode coating
MMAW or MMA Europe, ISO documents, international projects The manual nature of the technique

Training resources and manufacturers generally treat these terms as interchangeable. A guide to Shielded Metal Arc Welding will describe the same equipment and technique that a European welding program calls MMA. The acronym changes with region and standard, but the physics does not.

Quick Note: Stick welding, SMAW, MMAW, and MMA all refer to the same manual arc process. Flux-cored arc welding (FCAW) is a different process, even though it also uses a wire-fed consumable and a flux system.

Where the Process Came From

The story begins in the late nineteenth century, when engineers were learning to use electricity to join metal. In 1888, Russian engineer Nikolay Gavrilovich Slavyanov introduced a consumable electrode process that laid important groundwork for modern arc welding. His work demonstrated that an electric arc could melt both the base metal and a metal rod fed into the joint. The coated electrodes that make SMAW practical today came later, after experimenters discovered that mineral coatings could stabilize the arc and protect the cooling weld.

That early innovation grew into one of the most durable joining methods in industry. SMAW is still used on construction sites, pipelines, shipyards, farms, and maintenance trucks around the world. Its staying power comes from a simple combination: inexpensive equipment, no need for a separate shielding gas cylinder, and the ability to work outdoors in conditions that would disrupt more delicate processes.

Why the Name Matters to Welders

Terminology is not just trivia. If you are reading a welding procedure specification, ordering consumables, or comparing training programs, the exact name helps you find the right information. A job advertisement asking for SMAW experience is looking for the same skill set as one asking for stick welding. A code reference to manual metal arc welding points to the same family of electrodes and techniques.

Knowing the official term also makes it easier to separate stick welding from processes that look similar but behave differently. MIG welding uses a continuously fed wire and an external shielding gas. TIG welding uses a non-consumable tungsten electrode and a separate filler rod. Stick welding sits in its own category because the electrode provides the filler metal, the arc, and, through its coating, the shielding medium.

That distinction matters when you are choosing a process for a job. Stick welding is not always the fastest or the cleanest option, but it is often the most practical one when the work is outdoors, the metal is thick, or the nearest power outlet is a generator. Understanding its advantages and limits is the first step toward using it well. You can explore the practical case for the process in this guide to the advantages of stick welding.

What This Guide Covers

The sections ahead trace SMAW from its historical roots through the science of the arc, the equipment and electrodes that make it work, and the industries that depend on it. They also examine where stick welding falls short, how it compares with MIG, TIG, and flux-cored welding, and what safe, competent operation requires. By the end, the collection of names should feel less like a confusion and more like a useful map of one enduring process.

Whether you are a beginner trying to make sense of a welding course syllabus or an experienced fabricator checking a procedure, the answer to “what is stick welding called?” is straightforward: Shielded Metal Arc Welding, also known as MMAW, and known on job sites simply as stick. The names vary. The process, and its reputation for tough, portable, dependable work, does not.

Historical Origins: From Arc Discovery to SMAW

The name “stick welding” sounds casual, almost like a nickname picked up on a job site. Yet the process behind it has a formal history stretching back well over a century. That history explains why the same method is called stick welding in a shop, SMAW in an American code book, and MMAW in many European standards. The terminology did not appear by accident. It grew alongside the technology.

The Electric Arc Comes First

Before anyone could weld with an arc, they had to understand the arc. In the early 1800s, experimenters discovered that an electric current could jump across a gap between two electrodes and produce intense heat and light. That phenomenon eventually made arc lighting possible. Welding came later, when metalworkers realized the same heat could fuse metal edges.

Early arc welding was crude. Carbon electrodes produced a flame-like arc, but results were inconsistent. The turning point came when the electrode itself became part of the weld. That is the idea at the heart of SMAW, and the reason the process is classified as consumable electrode arc welding.

Nikolay Slavyanov and the Consumable Electrode

In 1888, Russian engineer Nikolay Gavrilovich Slavyanov introduced consumable electrode arc welding. Instead of relying on a carbon rod that merely generated heat, his approach used a metal electrode that melted into the joint. Filler metal and heat source became one.

Slavyanov’s work is widely recognized as the first practical demonstration of consumable electrode arc welding, the direct ancestor of today’s stick welding. His early equipment was limited, and the bare metal electrodes of the period had a serious weakness: exposure to air contaminated the molten weld. Oxygen and nitrogen caused porosity and brittle joints. Welders could produce a bead, but consistently sound welds were difficult.

Quick Note: The word “shielded” in Shielded Metal Arc Welding refers to protection around the molten weld, not a physical shield held by the welder. The electrode coating creates that protection.

The Coated Electrode Changes Everything

The missing piece was shielding. In the early 1900s, Swedish engineer Oscar Kjellberg is widely credited with developing the covered or coated electrode. The coating did more than protect the metal. As the arc burned, it decomposed and produced gases that pushed atmospheric air away from the weld pool. It also formed a slag layer over the cooling bead, slowing the cooling rate and guarding the metal from further contamination.

That development turned arc welding from a fragile experiment into a dependable industrial tool. Different coating formulations followed, each designed for particular currents, positions, or metal types. Cellulosic coatings produced a forceful, deep-penetrating arc. Rutile coatings offered smoother operation and easier restriking. Basic or low-hydrogen coatings improved resistance to cracking in demanding work. These coating families still guide modern electrode selection, a topic covered in our guide to all-position welding rods.

By the 1920s and 1930s, covered electrodes were common in fabrication and repair. Welding moved from a specialist curiosity into shipyards, bridges, pressure vessels, and structural steel work. The process proved especially valuable where portability and outdoor performance mattered.

War, Industry, and Standardization

Demand during the two world wars accelerated adoption. Shipbuilding and munitions production required fast, reliable joining, and manual arc welding with a coated stick fit the bill. Large numbers of workers learned the process, welding schools expanded, and the technique became a core industrial skill.

As use grew, so did the need for common rules. The American Welding Society was founded in 1919 and became a central force in welding education, qualification, and standardization. Electrode specifications, testing methods, and welder qualification procedures gradually replaced local customs. The result was a shared technical language: a welder could pick up an electrode classified to a national standard and know broadly what performance to expect.

AWS formally uses the term Shielded Metal Arc Welding, abbreviated SMAW. In Europe and many international contexts, the same process is called Manual Metal Arc welding, or MMAW. Both names describe the same manual technique: an operator controls a flux-covered consumable electrode, and the coating provides the shielding. The difference is regional terminology and standards body, not welding physics.

From Workshop Custom to Global Standard

Standardization did more than settle names. It made electrodes interchangeable, created recognizable classification systems, and gave engineers a way to specify a process with confidence. Codes could require particular electrode types, current ranges, and qualification tests. Inspectors could verify a defined benchmark rather than rely on reputation alone.

The basic principle has barely changed since Slavyanov’s metal electrode met Kjellberg’s coating. A welder still strikes an arc, maintains a gap, and lets the electrode deposit filler metal beneath a blanket of slag. What changed is the precision of the equipment, the consistency of the coatings, and the standards surrounding the work.

That long evolution explains the process’s staying power. Stick welding survived because it was adaptable, repairable, and effective in conditions that defeated more delicate processes. Its simple power source and self-shielded electrode keep it relevant on pipelines, farms, and remote construction sites. The advantages of stick welding are not nostalgic talking points; they are the practical legacy of a process refined over more than a century.

How SMAW Works: The Science Behind Stick Welding

Strip away the nicknames, and stick welding is a controlled electrical circuit with a chemical trick built into the electrode. Current travels from the power source through a cable to the holder, jumps a small air gap into the workpiece, and returns through the ground clamp. That gap supplies the heat, while the coated rod makes the process work outdoors, on dirty metal, and anywhere a gas cylinder would be a nuisance.

The Basic Circuit and the Electric Arc

The welder touches the electrode to the base metal, then lifts it slightly. That contact creates a path for current; when the rod separates, electricity jumps the gap as an arc. The arc’s high resistance converts electrical energy into intense heat, melting the steel below and the electrode tip at the same time. The molten base metal and melting wire then combine into the weld.

Arc length is the welder’s most important variable. Too long, and the heat spreads, shielding weakens, and spatter increases. Too short, and the rod may stick to the plate. The American Welding Society’s guidance on quality SMAW welds treats arc length, travel angle, and current as connected controls rather than independent settings. Adjust one, and the others usually need attention.

The Flux-Coated Electrode: A Self-Contained Shielding System

A stick electrode is a consumable metal core wrapped in flux. The core carries current and becomes filler metal. The coating separates SMAW from bare-wire processes: as the arc burns, the flux decomposes into shielding gas that pushes oxygen and nitrogen away from the weld pool, preventing porosity and brittle contamination.

The flux also forms liquid slag that floats on the pool. As the metal cools, the slag freezes into a protective blanket, slowing cooling and shielding the solidifying weld from air. This gas-then-slag sequence is why the process is called shielded metal arc welding. Fractory’s overview of SMAW calls the coating a self-contained shielding system, a useful picture: the rod carries its own protection instead of relying on a separate gas supply.

Flux formulations suit different jobs. Cellulosic coatings produce a forceful, deep-penetrating arc; low-hydrogen coatings meet stricter strength and cracking requirements. For more on coating chemistry, the alloy steel welding electrodes selection guide explains the practical differences.

From Molten Droplet to Solid Weld

Metal crosses the arc in droplets, ranging from fine spray to larger globules depending on electrode, current, and polarity. Each droplet lands in the pool, mixes with molten base metal, and freezes as the arc advances. Good fusion requires enough heat at the joint walls, not just enough filler to fill the gap.

The pool is small, usually only a few times the rod’s diameter, which helps stick welding in vertical and overhead positions. Slag freezes quickly enough to hold the molten metal in place. That same fast-freezing slag is why welders chip and brush between passes: trapped slag creates a weak plane inside a multi-pass weld that can fail under load.

Quick Note: Slag is not waste. It protects the cooling weld from the atmosphere and helps control cooling rate. Removing it between passes is a quality step, not cosmetic cleanup.

AC and DC Power Sources

SMAW runs on alternating or direct current. AC reverses direction many times per second and is common on transformer-based machines. DC flows one way and gives a steadier arc, which many welders prefer for out-of-position work and low-hydrogen electrodes. Vermont Technical College’s welding program notes that SMAW equipment comes in both configurations, and the choice affects arc stability and electrode compatibility.

Power type Typical behavior Common use
AC Current reverses direction; arc can be less stable on some electrodes General fabrication, E6013 work, transformer machines
DC, electrode negative More heat in the workpiece; deeper penetration Root passes and thicker steel
DC, electrode positive More heat in the electrode; faster melt, shallower penetration Thin material and some fill passes

Stick power sources are constant-current machines. The welder sets an amperage range, and the machine adjusts voltage as arc length changes. That is why a slightly longer arc does not make current skyrocket, and why amperage must match electrode diameter and joint thickness instead of being a single universal number.

Why the Process Remains So Practical

The science adds up to very few moving parts: a power source, two cables, a holder, a ground clamp, and a coated rod. No gas solenoid, wire feeder, or spool. Wind cannot blow away shielding because the flux creates it at the arc. That self-contained design is central to why SMAW still wins on remote job sites and repair work, even when other processes deposit metal faster.

Once you picture the arc, decomposing flux, floating slag, and freezing pool, technique makes sense. Every motion manages heat and atmosphere at once.

Equipment, Electrodes, and Classifications

Stick welding looks simple from a distance: clamp the ground, strike an arc, and move along the joint. Up close, the result depends on a small system of matched parts. The power source, cables, holder, ground connection, and electrode all have to work together. Get one piece wrong, and the arc will sputter, the slag will trap, or the weld will fail inspection.

The Power Source and Basic Setup

Every SMAW setup needs a constant-current welding power supply. Most shop machines are transformer-rectifier units that run from mains power, while remote jobs often use engine-driven generators. The power source must provide enough amperage for the electrode size and thickness of the metal. According to UTI’s overview of SMAW, the process works with either alternating current (AC) or direct current (DC), and the choice affects arc stability and penetration.

The rest of the circuit is just as important. An electrode holder carries current to the rod, a ground clamp completes the circuit through the workpiece, and flexible copper cables connect both to the machine. Undersized cables or a poor ground connection cause voltage drop, a weak arc, and inconsistent fusion. Check lugs and clamps regularly, especially on portable rigs where vibration loosens connections.

What Is Inside a Stick Electrode?

A covered electrode has two parts: a metal core wire and a flux coating. The core wire melts into the joint and becomes part of the weld. The coating burns in the arc to create shielding gas, stabilize the arc, and form a slag layer that protects the cooling metal. That coating is why the process is called shielded metal arc welding.

Electrodes fall into three broad families. Cellulosic coatings, such as E6010, produce a forceful arc and deep penetration. Rutile coatings, like E6013, are forgiving and produce a smooth arc that suits beginners and sheet metal. Basic or low-hydrogen coatings, such as E7018, deposit cleaner, tougher welds and are common on structural steel. Each family behaves differently, so matching the electrode to the job matters more than grabbing whatever is nearest.

Reading the AWS Classification

Electrodes follow American Welding Society classification systems. AWS guidance explains that carbon steel covered electrodes are covered by AWS A5.1, while nickel-alloy electrodes fall under AWS A5.11. The code on the electrode is not random. In E6010, the E means electrode, 60 means 60,000 psi minimum tensile strength, 1 means all-position use, and 0 identifies the coating and current type. E7018 follows the same logic but specifies 70,000 psi tensile strength and a low-hydrogen, all-position coating.

Electrode Best For Key Trait
E6010 Root passes, dirty or rusty steel, pipe Deep penetration, forceful arc
E6013 General repair, sheet metal, beginners Easy arc, smooth bead, low spatter
E7018 Structural steel, high-integrity joints Low hydrogen, strong, clean deposit

Other classifications cover stainless steel, cast iron, hardfacing, and nickel alloys. For alloy steel work, matching the electrode to the base metal chemistry is critical, and our guide to alloy steel welding electrodes explains how to choose and store those fillers. Nickel and high-alloy electrodes are often specified for corrosion resistance or dissimilar-metal joints, as described in Haynes International’s SMAW reference.

Storage: The Silent Quality Factor

Electrode coatings absorb moisture from the air. On low-hydrogen rods, that moisture can introduce hydrogen into the weld and lead to porosity or cracking. Keep E7018 in a sealed container or a heated holding oven, and follow the manufacturer’s rebaking instructions if it has been exposed. Cellulosic and rutile electrodes are less sensitive, but they still perform best when kept dry. Never leave rods loose in a damp shop or truck bed.

Quick Note: A rod that has absorbed moisture may still strike an arc, but that does not mean it is fit for critical work. When in doubt, use a fresh electrode.

How to Choose the Right Electrode

Start with the base metal and its thickness, then consider the welding position, available current, joint design, and any code requirements. Thin metal calls for a smaller, softer arc; vertical and overhead work demands an all-position electrode. For a deeper look at position-specific selection, see our all-position welding rod guide. It also helps to remember why so many crews still rely on this process in the first place, which we cover in the advantages of stick welding.

Buying the cheapest electrode is rarely a bargain. A matched rod and a dry, well-maintained setup will produce better results than premium equipment running the wrong consumable.

Applications and Materials: Where SMAW Shines

Stick welding may not win any beauty contests, but its practicality is what keeps it relevant. Its ability to run off a simple power source, tolerate wind and dirt, and join thick steel in awkward spots makes it the go-to choice for repairs and field work where other processes would fall short.

Industries That Rely on SMAW

  • Maintenance and repair: From farm equipment to mining machinery, SMAW is a staple for breakdowns. With just a stinger, a handful of electrodes, and a welder, repairs can be made on-site without hauling gas cylinders or wire feeders.
  • Construction: Steel frames, brackets, stairways, and guardrails are often stick welded directly in the field. Since the structure rarely needs to be moved to a shop, it’s ideal for on-site structural work.
  • Pipelines and process piping: While mechanized processes dominate long spreads, SMAW is still used for tie-ins, repairs, and small-diameter pipe. Cellulosic electrodes like E6010 are especially valued for their ability to penetrate through contaminants on root passes.
  • Shipbuilding and marine repair: Dry docks and shipyards often rely on SMAW for structural repairs. With rust, moisture, and wind all in play, a flux-shielded arc has a clear advantage over open-shield processes.
  • Job shops and rural work: Many small shops keep a stick machine for one-off jobs, thick sections, or areas where power is limited. For these cases, portability often outweighs speed.

Quick Note: SMAW isn’t the fastest process, but when mobilizing a wire-feed setup would take hours, it can be the first one back on the job.

Materials Commonly Welded With SMAW

Carbon steel is the bread and butter for SMAW. From mild plate to high-strength structural steel, the right electrode classification can cover most jobs. When stepping into higher alloy grades, a guide to alloy steel welding electrodes is helpful for matching the weld to its service conditions.

Stainless steel can be stick welded with covered electrodes such as E308L or E316L. The slag shield protects the chromium-rich weld pool, but these electrodes require careful storage and lower heat input to preserve their corrosion resistance. For dissimilar joints, nickel-based electrodes are often the better choice.

Cast iron is a strong niche for SMAW. Using nickel or nickel-iron electrodes, paired with preheating and controlled cooling, cracked engine blocks, housings, and machine parts can often be repaired without a full replacement.

Non-ferrous metals see far less use. Aluminum is rarely stick welded due to its oxide layer and high thermal conductivity. Most welders opt for aluminum flux welding or MIG for it. Copper alloys and some nickel alloys can be welded with specialized SMAW electrodes, but these are strictly specialist applications.

All-Position and Outdoor Capability

SMAW can be run in flat, horizontal, vertical, and overhead positions. This all-position flexibility is crucial for structural and repair work, where joints often can’t be rotated. Electrode selection is key: E6010 and E6011 excel for vertical-up and root passes, while E7018 is a common choice for structural positions when technique is dialed in. A all-position welding rod guide can help match the right rod to both position and joint design.

The biggest operational edge comes from its self-shielding flux. With no external gas cylinder to haul or risk losing to the wind, SMAW thrives on bridges, farms, pipelines, and remote sites. Paired with a portable, engine-driven welder, it’s capable of work where grid power simply isn’t available. However, it’s slower than MIG or flux-cored, and slag removal between passes is a necessity. As the American Welding Society’s guidance on quality SMAW welds points out, technique and electrode control are what ultimately determine a sound joint.

In short, SMAW shines for thick carbon steel, field repairs, structural work, and tough environments. It’s less suited for thin sheet or high-production runs. Choosing it for the right job is exactly where this process proves its worth.

Advantages, Limitations, and Challenges of Stick Welding

For as old as it is, Shielded Metal Arc Welding (SMAW), better known as stick welding, has managed to stick around for a reason. It is the type of process that can be pulled out of a truck, rigged up in minutes, and trusted to make a sound repair miles away from any welding shop. However, its rugged reputation comes with just as many drawbacks as it does benefits. Knowing the tradeoffs is vital to deciding when SMAW is the right tool for the job.

The Advantages of Stick Welding

At its core, the biggest strength of stick welding is its simplicity. One of the most notable perks is its portability. With nothing more than a power source, cables, an electrode holder, and a ground clamp, an operator can take the entire setup just about anywhere. There’s also no need for external shielding gas, as the flux coating on the electrode produces its own shielding as it burns. This is a massive advantage for outdoor work, where wind would easily blow away the gas supplied by other processes.

Cost is another deciding factor. Compared to many other welding processes, SMAW has a much lower equipment cost to get started with. On top of that, its versatility allows for a wide range of applications. With the correct selection from an all position welding rod guide, welds can be made in nearly every position. For more demanding jobs, choosing the right filler from guides for alloy steel welding electrodes can help tackle materials that would be finicky for other methods. All of these factors are a large reason as to why so many fabricators still refer to the long list of advantages of stick welding: why SMAW still wins to this day. According to UTI, this self-shielding nature is one of the primary reasons for its continued popularity in the field.

The Limitations and Challenges of Stick Welding

While SMAW thrives in harsh conditions, efficiency is not its strong suit. Compared to flux-cored or MIG processes, it has lower deposition rates, meaning less filler metal is laid down per minute. This makes it far less ideal for large, high-production weldments where speed is the priority. As noted by Fractory, this tradeoff between portability and productivity is one of the most defining characteristics of the process.

There are also a few hands-on inconveniences that cannot be ignored:

  • Frequent electrode changes: Stick electrodes are only a set length, so they will burn down quickly. For longer joints, this can break up the rhythm of a weld.
  • Slag to remove: The flux creates a protective layer of slag as it cools, and this must be chipped and removed between passes. Skipping this step is a recipe for slag inclusions.
  • Spatter: SMAW is notorious for producing a decent amount of spatter, which will require post-weld cleanup on more cosmetic jobs.
  • Skill requirements: Maintaining a consistent arc length, correct travel angle, and steady travel speed takes plenty of practice. This is why quality control resources, such as the AWS Welding Digest guide to a quality SMAW weld, place such a large emphasis on technique.
  • Limitations with thin materials: Due to its high heat input and less precise control compared to TIG, stick welding can be very easy to burn through thinner sheets of steel.

Quick Note: Don’t let slag fool you. A clean-looking cap means nothing if trapped slag is left between passes. Always chip and inspect between each one.

Ultimately, SMAW isn’t built to be the fastest or the prettiest process on the market. Its value lies in its ability to work in the dirt, rain, wind, and remote locations where other processes simply can’t. For the jobs that require grit over glamour, those limitations are a small price to pay.

SMAW vs Other Welding Processes: Key Comparisons

Every welding process solves a slightly different problem. SMAW, or shielded metal arc welding, earns its place through toughness and simplicity. MIG, TIG, and flux-cored welding each beat it in specific areas, but none replaces it everywhere. The useful question is not which process is “best,” but which one fits the metal, the position, the workspace, and the budget.

SMAW vs MIG (GMAW)

Gas metal arc welding feeds a continuous wire electrode through a gun while a separate shielding gas protects the molten pool. That setup produces smooth, fast welds and is easier for beginners to control on thin sheet metal.

The trade-off is infrastructure. A MIG machine needs a wire feeder, a gas cylinder, and a regulator. SMAW needs a power source, stinger, ground clamp, and a box of electrodes. That makes SMAW cheaper to equip and far easier to carry to a remote repair. It also works in wind that would blow away MIG’s gas shield.

On deposition rate, MIG usually wins. A continuous wire spends more time laying metal and less time changing electrodes or chipping slag. For clean fabrication work indoors, that speed matters. For a fence repair, pipeline tie-in, or farm equipment fix, SMAW’s portability and low cost often outweigh the slower pace. If aluminum is on the job, MIG is generally the more practical choice; our aluminum MIG welding guide explains why the process suits that metal so well.

SMAW vs TIG (GTAW)

TIG welding uses a non-consumable tungsten electrode and a separate filler rod. The arc is precise, the operator controls heat independently, and there is no slag to remove. Those qualities make TIG the standard for thin stainless, aluminum, aerospace components, and work where appearance matters. Our guide to aerospace TIG welding shows how exacting those requirements can be.

SMAW is cruder but more productive on thicker sections in field conditions. It deposits metal faster than TIG, tolerates dirt and drafts better, and does not require the same level of hand coordination. The cost is visible: spatter, a rougher bead, and slag that must be chipped and brushed before inspection or painting. TIG produces cleaner welds, but it is slower and less forgiving of windy outdoor sites.

SMAW vs Flux-Cored Arc Welding (FCAW)

Flux-cored welding looks like MIG from the outside but uses a tubular wire filled with flux. It offers higher deposition rates than stick welding and can run for long stretches without stopping to change an electrode. Self-shielded flux-cored wires also handle outdoor wind well, which is why the process has grown in structural steel and heavy fabrication.

Even so, SMAW remains extensively used in construction, maintenance, and repair. Its equipment is simpler, its consumables are widely available, and a skilled welder can use it in tight spaces where a wire feeder and gun are awkward. For small jobs, the setup time advantage of stick welding is hard to beat. The advantages of stick welding go beyond nostalgia; they are practical on sites where reliability matters more than raw speed.

How the Main Processes Compare

Process Shielding Typical Speed Portability Strongest Fit
SMAW Flux coating creates gas and slag Moderate to slow Excellent Outdoor repair, structural work, pipe, maintenance
GMAW (MIG) External shielding gas Fast Moderate Thin sheet, production fabrication, aluminum
GTAW (TIG) External shielding gas Slow Moderate Precision work, thin metals, clean appearance
FCAW Flux core, sometimes self-shielded Fast Good Heavy fabrication, structural steel, outdoor production

These labels are general, not absolute. A talented operator can produce excellent work with any of them. The American Welding Society’s guidance on quality SMAW welds makes the point that technique and preparation matter as much as process choice.

Matching the Process to the Job

  • Remote outdoor repair: SMAW, because it needs no gas cylinder and tolerates wind.
  • Thin automotive or sheet metal: MIG or TIG, because heat control is easier.
  • High-volume structural fabrication: FCAW, because deposition is faster.
  • Clean stainless or aerospace parts: TIG, because precision and appearance matter.
  • Vertical or overhead field work: SMAW with a suitable electrode; see this all-position welding rod guide.

Quick Note: SMAW is rarely the fastest process, but it is often the one that can actually get to the job. Portability, low equipment cost, and tolerance of harsh conditions keep it relevant alongside newer methods.

In short, MIG wins on speed and thin-material control, TIG wins on precision and cleanliness, and flux-cored wins on high-deposition production. SMAW wins on simplicity, reach, and cost. That is why it still shares the job site with all of them.

Best Practices, Common Mistakes, and Troubleshooting

The gap between a clean stick weld and a failed one usually comes down to discipline. With the electrode constantly consumed and the flux providing its own shielding, small errors in arc length, angle, speed, or cleanliness are quickly magnified. By focusing on the fundamentals and knowing how to read defects, most issues can be corrected before they become costly failures.

The Three Core Technique Variables

Three factors will control the vast majority of your bead quality: arc length, electrode angle, and travel speed.

Arc length should be roughly equal to the diameter of the electrode’s bare core wire for a short arc. If it’s too long, shielding drops, spatter increases, and porosity becomes likely. If it’s too short, the rod will stub and stick. A steady crackle, similar to frying bacon, is the clearest indicator that it’s correct.

Electrode angle dictates penetration and tie-in. For flat butt or fillet welds, aim for a 10 to 15 degree tilt in the direction of travel. For vertical-up, a slight upward tilt helps combat gravity. For vertical-down, keep a tighter angle and move faster. Dragging the electrode perpendicular to the joint is one of the quickest ways to create a tall, narrow bead with poor fusion at the toes.

Travel speed determines heat input. Moving too slowly will pile up excess metal and trap slag, while moving too fast will narrow the bead and drop penetration. Watch the weld pool. It should remain roughly two to three times the width of the electrode and flow steadily behind the arc.

Quick Note: On thin plate, burning through is more often caused by slow travel speed than excessive amperage. Always practice on scrap first.

Electrodes, Cleanliness, and Fit-Up

Moisture is the most preventable threat to a sound weld. Many flux coatings are hygroscopic and can absorb water from the air, releasing hydrogen into the pool. For low-hydrogen electrodes like E7018, proper storage in a heated rod oven at roughly 250 to 300°F (120 to 150°C) is critical, and AWS guidance stresses that dry electrodes are not optional. Cellulosic rods like E6010 and E6011 are more forgiving, while rutile rods like E6013 are the most tolerant, but none benefit from damp storage.

Before striking an arc, remove mill scale, rust, paint, oil, and grease down to bare metal. For thick plate, beveling and setting a correct root gap will prevent excessive bridging. For multi-pass welds, chip and wire brush each pass before the next. Trapped slag between passes is far harder to fix than taking a few seconds to remove it.

Defects, Causes, and Fixes

While defects can look varied, most share a small set of causes. Use the chart below as a quick reference when diagnosing issues.

Defect Likely Cause Fix
Porosity Moisture, dirty base metal, long arc, low current Dry electrodes, clean joint, shorten arc, raise amperage slightly
Slag inclusions Poor interpass cleaning, wrong angle, fast travel Chip and brush each pass, adjust angle, slow down
Lack of fusion Low heat, fast travel, wrong angle, poor fit-up Increase amperage, slow travel, aim arc at joint root
Undercut Excessive current, long arc, wrong angle Reduce amperage, shorten arc, adjust work angle
Cracking Hydrogen, high restraint, rapid cooling Use dry low-hydrogen electrodes, preheat, control cooling
Spatter Long arc, high current, damp electrode Shorten arc, tune amperage, use dry rods

Pay extra attention to lack of fusion, as it can be hidden beneath a deceptively smooth bead. Cracking is also unique, as hydrogen-induced cold cracking can appear hours or even days after welding, making prevention far more important than repair.

Troubleshooting at the Arc

Not every problem shows up in the finished bead. Electrode sticking is usually due to amperage being too low or jabbing the rod on strike. Increase current in small increments and use a scratching motion to strike the arc.

Arc blow, the magnetic deflection of the arc, is most common near joint ends or corners. Simple fixes include changing the work lead position, reducing current, switching to AC, or welding towards the ground connection. These quirks are some of the tradeoffs to consider when weighing the advantages of stick welding.

Inconsistent penetration often comes from tight fit-up or incorrect travel. If burn-through is occurring, drop your amperage before overcorrecting with speed alone.

Position, Practice, and Final Checks

While flat is the easiest to master, vertical and overhead positions require tighter control due to gravity. For vertical-up, use short pauses at the toes to let the pool freeze. For overhead, keep a short arc and modest current. When selecting rods for out-of-position work, consult an all position welding rod guide to narrow down your options.

More than any tool, repetition builds consistency. Run beads on scrap, log your settings by electrode and thickness, and photograph your results.

Short Note: A good-looking bead isn’t proof of a sound weld. Bend tests or visual inspection on practice pieces will reveal fusion and slag issues that the surface hides.

Ultimately, troubleshooting stick welding comes down to working backwards from the defect. Dry electrodes, clean joints, correct amperage, a short arc, the right angle, controlled travel, and thorough slag removal form one chain. Miss one link, and you’ll know. Fix that link, test it, and move forward with confidence.

Safety Considerations for SMAW

Stick welding has a reputation for being tough and forgiving, but that ruggedness can make welders careless. The process runs on high current, produces an intensely bright arc, throws sparks several feet, and generates a visible plume of flux smoke. None of those things are negotiable. A few minutes of preparation before striking an arc protects your eyes, lungs, skin, and everyone else in the shop.

Personal Protective Equipment

The arc emits ultraviolet and infrared radiation that can burn your eyes and skin faster than you might expect. A proper welding helmet with the correct shade lens is essential, and many welders wear safety glasses underneath for protection when the hood is lifted. Leather gloves, a flame-resistant jacket or sleeves, sturdy boots, and pants without cuffs round out the basics. Avoid synthetic clothing, which can melt against the skin when struck by sparks.

  • Eyes and face: welding helmet, appropriate shade lens, safety glasses
  • Skin: leather gloves, flame-resistant sleeves, apron or jacket
  • Feet: closed leather boots, preferably without exposed laces
  • Lungs: ventilation first, respirator when exposure remains elevated

Electrical Safety

SMAW power sources deliver enough current to cause serious injury. Inspect electrode holders, ground clamps, and cable insulation before every use, and replace damaged leads rather than taping over deep cuts. Work on dry surfaces, keep gloves dry, and never change electrodes with wet hands. Proper grounding and correctly sized cables matter, especially with engine-driven machines in the field. Disconnect power before servicing equipment, and keep welding circuits separate from building wiring.

Fumes and Ventilation

The flux coating that shields the weld also creates smoke containing metal oxides and other particulates. Stainless steel electrodes can produce hexavalent chromium, while galvanized steel releases zinc fume that may cause metal fume fever. Use local exhaust ventilation or open doors and fans to move air across the arc, not just around the room. In confined spaces, mechanical ventilation and a supplied-air respirator may be necessary. Follow NIOSH welding fume guidance and your employer’s exposure assessment rather than relying on smell or visibility alone.

Fire Prevention and Arc Radiation

Sparks and hot slag can travel well beyond the immediate work area and land in cracks, sawdust, or oily rags. Clear combustibles at least 35 feet away, use fire-resistant blankets or screens, and keep a suitable extinguisher within reach. A fire watch is required in many industrial settings and is always wise when welding near walls or openings. Screens also protect nearby workers from UV flash, which can cause painful “arc eye” even at a distance.

Quick Note: If you can smell welding smoke inside your helmet, your ventilation is not keeping up. Stop, reposition the exhaust, or upgrade your respiratory protection before continuing.

Standards, Training, and Accountability

In the United States, OSHA’s welding and cutting regulations set requirements for ventilation, eye protection, fire prevention, and electrical safety. AWS Z49.1, Safety in Welding, Cutting, and Allied Processes, provides detailed industry guidance that many shops adopt voluntarily. Training should cover equipment inspection, hot work permits, confined-space procedures, and emergency response. Good technique also reduces hazards: stable arc length and proper current settings create less spatter and fewer defects, as outlined in AWS guidance on quality SMAW welds.

For work in shipyards, offshore sites, or other marine environments, additional precautions apply. Our guide to AJ Marine welding processes, standards, and safety covers those situations in more detail. Safety in stick welding is not about fear; it is about controlling known hazards so the process remains as dependable as its reputation suggests.

Conclusion: Why Stick Welding’s Name Still Matters

After going through the history, process, equipment, applications, and safety of this time-tested method, the answer to the core question is a simple one: stick welding is officially known as Shielded Metal Arc Welding (SMAW). In many parts of the world, it is also referred to as Manual Metal Arc Welding (MMAW). While the “stick” nickname is by far the most recognizable out on the shop floor, knowing all three names holds far more value than most realize.

At its heart, the appeal of SMAW has never been about speed or aesthetics. It’s about reliability. From remote pipeline repairs, to structural steel builds, all the way down to fixing a broken gate in the pouring rain, this process has remained relevant for over a century. Much of that can be attributed to its versatility, portability, and simplicity. These are all of the same reasons that we cover within our breakdown of the advantages of stick welding, as its ruggedness continues to be its greatest asset.

Quick Note: When reading job specifications, welding procedure qualifications, or electrode boxes, you’ll almost always see “SMAW” listed. Knowing this distinction can prevent you from ordering incorrect requirements on the job.

With the fabrication industry constantly pushing towards automation, it’s easy to assume that a flux-coated rod would be a thing of the past. However, that couldn’t be further from the truth. Reputable standards organizations, such as the American Welding Society (AWS), still reference SMAW procedures heavily to this day. Additionally, foundational welding courses, like those taught by the Universal Technical Institute, still teach it as one of the very first skills that a welder must master.

The Importance Of Terminology

Understanding the correct terminology isn’t just textbook knowledge, it’s practical knowledge. Electrode classifications, qualified welding procedures, inspection criteria, and even certain code requirements all utilize the “SMAW” designation. Being able to translate “stick” from the floor to “SMAW” within a code book allows a welder to select the correct filler metals, follow pre-qualified procedures, and meet compliance standards with ease. This becomes increasingly crucial when working with more demanding materials, such as those covered in our guide to alloy steel welding electrodes.

Still Relevant In A Modern World

Newer processes will always have their time and place. However, SMAW thrives where others falter. With its flux coating providing its own shielding gas, it doesn’t rely on external bottles to protect its weld puddle. This allows it to be ran through wind, rain, rust, tight repair work, or completely off-grid with nothing but a portable power source. It’s a process of self-sufficiency that has allowed it to outlast countless “new and improved” welding methods.

At its core, the legacy of Shielded Metal Arc Welding is one of accessibility. It teaches incredible arc control, provides an affordable entry point for countless beginners, and still acts as a saving grace for the most seasoned welders when no other setup is an option.

So, whether you hear “stick welding”, “SMAW”, or “MMAW” thrown around in conversation, they all refer to the exact same rugged process. The nickname may be short and simple, but the knowledge behind its technical name is what allows it to be used safely, correctly, and to code. As long as there are broken parts miles away from a shop, that tiny, flux-coated rod will still strike an arc to fix them. And for that very reason, its name, in all of its forms, will always matter.

Frequently Asked Questions

What is stick welding actually called?

Stick welding is officially called Shielded Metal Arc Welding (SMAW). It’s also commonly referred to as Manual Metal Arc Welding (MMAW or MMA) in many parts of the world.

Why is it called ‘stick welding’?

It’s called stick welding because the consumable electrode used in the process looks like a metal stick or rod covered in flux, and it’s held by an electrode holder during welding.

Is SMAW the same as stick welding?

Yes, SMAW (Shielded Metal Arc Welding) is exactly the same process as stick welding. The terms are interchangeable, with SMAW being the technical/official name used in welding codes and standards.

Who invented stick welding?

The use of consumable electrodes for arc welding was first introduced by Russian inventor Nikolay Gavrilovich Slavyanov in 1888, laying the groundwork for what would become SMAW.

What does SMAW stand for?

SMAW stands for Shielded Metal Arc Welding. The ‘shielded’ refers to the protective gas and slag created by the flux coating that shields the molten weld from atmospheric contamination.

Is stick welding still used today?

Yes, stick welding remains one of the world’s most popular welding processes. It’s extensively used in construction, maintenance, repair, and in situations where portability and ability to work outdoors are critical.

Can SMAW be used on all metals?

SMAW is primarily used on ferrous metals like carbon steel and stainless steel. With specialized electrodes, it can also be used on cast iron, nickel alloys, and some other metals, though it’s not as versatile on aluminum as some other processes.

Do you need gas for stick welding?

No external shielding gas is required for stick welding. The flux coating on the electrode produces its own shielding gas when burned, which protects the weld pool from contamination.

What’s the difference between SMAW and MMAW?

SMAW and MMAW are the same process. SMAW (Shielded Metal Arc Welding) emphasizes the shielding aspect, while MMAW (Manual Metal Arc Welding) emphasizes it being a manual process. Both refer to stick welding.

Is stick welding difficult to learn?

Stick welding has a steeper learning curve than some processes like MIG, largely due to maintaining proper arc length, dealing with slag, and mastering different electrodes. However, with practice, it’s very learnable and highly rewarding.

NH

Nicholas Harper

Editorial Team

Covering welding processes, equipment selection, and shop-floor practice for WeldZen — with every claim checked against the governing code.

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